Unit 7, Section A
The Coordinate Grid
Grade 5
Practice
Problem 1
Pre-unit
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Which shapes are rectangles? ________________________
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Which shapes are rhombuses? ________________________
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Which shapes are squares? ________________________
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Problem 2
Pre-unit
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Name 2 lines in the diagram that are parallel. ___________________
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Name 2 lines in the diagram that are perpendicular. ___________________
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Problem 3
Pre-unit
- Draw a rectangle on the grid.
- What is the perimeter of the rectangle?
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Problem 5
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How would you describe point \(P\)?
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How would you describe Rectangle R?
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Problem 6
- What are the coordinates of the point plotted on this coordinate grid?
- Plot and label point \(A\) with coordinates \((7, 1)\), point \(B\) with coordinates \((2, 8)\), and point \(C\) with coordinates \((6, 6)\).
Problem 7
- Fill in the blanks with 4 different numbers between 0 and 10 to complete the coordinates for 4 points. Then plot the points on the coordinate grid.
\((\underline{\hspace{1 cm}},0)\) \((\underline{\hspace{1 cm}},0)\)
\((\underline{\hspace{1 cm}},0)\) \((\underline{\hspace{1 cm}},0)\)
What do you notice about the points?
- Plot points at \((1,1)\), \((2,2)\), \((3,3)\), and \((4,4)\) on the coordinate grid. What do you notice about the points?
Problem 8
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A student describes the first letter of their name like this: “On a coordinate grid, start at \((2,4)\) and go to \((2,8)\), then go to \((3,6)\). Then go to \((4,8)\), and then to \((4,4)\).”
Which student is it: Andre, Clare, Diego, Elena, Han, Jada, Kiran, Lin, Mai, Noah, Priya, or Tyler?
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Describe, using coordinates, how to trace a letter from your name.
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Problem 9
Exploration
Work with a partner.
Partner A:
Draw a rectangle on the coordinate grid. Make sure the area of the rectangle is at least 20 square units. Don't show the rectangle to your partner.
Partner B:
Your goal is to figure out what rectangle your partner drew using the fewest points. Use coordinates to name points in the coordinate grid. Your partner will tell you whether the point is or is not on their rectangle.
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